issue: #feature-1 - #1 - Plugin Admin System; commit: basic addon example HelloWorld
issue: #feature-1 - #1 - Plugin Admin System; commit: Restruct for modules dirs
issue: #feature-1 - #1 - Plugin Admin System; commit: try to simplify __main__
issue: #feature-1 - #1 - Plugin Admin System; commit: try to simplify __main__